Fig. 4. Concentration of 14C di(2-ethylhexyl)phthalate (DEHP) measured in the effluent of the Askov columns. Note the delay in the concentration increase for Treatment 1, which is absent for Treatment 2.
Fig. 4. Concentration of 14C di(2-ethylhexyl)phthalate (DEHP) measured in the effluent of the Askov columns. Note the delay in the concentration increase for Treatment 1, which is absent for Treatment 2.